diff --git a/dlls/comctl32/rebar.c b/dlls/comctl32/rebar.c
index c7f673eb6a9..defe8237b9d 100644
--- a/dlls/comctl32/rebar.c
+++ b/dlls/comctl32/rebar.c
@@ -2516,13 +2516,13 @@ REBAR_HandleLRDrag (REBAR_INFO *infoPtr, POINTS *ptsmove)
 
 	}
     }
-    if (RHeaderSum) RHeaderSum -= SEP_WIDTH; /* no separator afterlast band */
+    if (RHeaderSum) RHeaderSum -= SEP_WIDTH; /* no separator after last band */
 
     mindBand = &infoPtr->bands[imindBand];
     maxdBand = &infoPtr->bands[imaxdBand];
 
-    if (imindBand == imaxdBand) return; /* nothing to drag agains */
-    if (imindBand == ihitBand) return; /* first band in row, cant drag */
+    if (imindBand == imaxdBand) return; /* nothing to drag against */
+    if (imindBand == ihitBand) return; /* first band in row, can't drag */
 
     /* limit movement to inside adjustable bands - Left */
     if ( (ptsmove->x < mindBand->rcBand.left) ||
diff --git a/dlls/d3d8/utils.c b/dlls/d3d8/utils.c
index 3ac6064c3a8..6d4f123663b 100644
--- a/dlls/d3d8/utils.c
+++ b/dlls/d3d8/utils.c
@@ -1013,7 +1013,7 @@ void set_tex_op(LPDIRECT3DDEVICE8 iface, BOOL isAlpha, int Stage, D3DTEXTUREOP o
                 op2 = This->UpdateStateBlock->texture_state[Stage][D3DTSS_ALPHAOP];
             }
 
-           /* Note: If COMBINE4 in effect cant go back to combine! */
+           /* Note: If COMBINE4 in effect can't go back to combine! */
            switch (op2)
            {
            case D3DTOP_ADDSMOOTH:
diff --git a/dlls/kernel/locale.c b/dlls/kernel/locale.c
index 3a7fe5e1cfb..82027380bda 100644
--- a/dlls/kernel/locale.c
+++ b/dlls/kernel/locale.c
@@ -2265,8 +2265,8 @@ INT WINAPI CompareStringW(LCID lcid, DWORD style,
  * Compare two locale sensitive strings.
  *
  * PARAMS
- *  lcid  [I] LCID for the comparason
- *  style [I] Flags for the comparason (NORM_ constants from "winnls.h").
+ *  lcid  [I] LCID for the comparison
+ *  style [I] Flags for the comparison (NORM_ constants from "winnls.h").
  *  str1  [I] First string to compare
  *  len1  [I] Length of str1, or -1 if str1 is NUL terminated
  *  str2  [I] Second string to compare
diff --git a/dlls/ntdll/rtlstr.c b/dlls/ntdll/rtlstr.c
index 2df9ab04a36..65879b9387d 100644
--- a/dlls/ntdll/rtlstr.c
+++ b/dlls/ntdll/rtlstr.c
@@ -530,7 +530,7 @@ BOOLEAN WINAPI RtlPrefixUnicodeString( const UNICODE_STRING *s1,
  *  0 if the names are equal, non-zero otherwise.
  *
  * NOTES
- *  The comparason is case insensitive.
+ *  The comparison is case insensitive.
  */
 NTSTATUS WINAPI RtlEqualComputerName(const UNICODE_STRING *left,
                                      const UNICODE_STRING *right)
@@ -564,7 +564,7 @@ NTSTATUS WINAPI RtlEqualComputerName(const UNICODE_STRING *left,
  *  0 if the names are equal, non-zero otherwise.
  *
  * NOTES
- *  The comparason is case insensitive.
+ *  The comparison is case insensitive.
  */
 NTSTATUS WINAPI RtlEqualDomainName(const UNICODE_STRING *left,
                                    const UNICODE_STRING *right)
diff --git a/dlls/ole32/compobj.c b/dlls/ole32/compobj.c
index 2e6e6db7ff5..bde8ee58275 100644
--- a/dlls/ole32/compobj.c
+++ b/dlls/ole32/compobj.c
@@ -1588,22 +1588,22 @@ HINSTANCE WINAPI CoLoadLibrary(LPOLESTR lpszLibName, BOOL bAutoFree)
 /***********************************************************************
  *           CoFreeLibrary [OLE32.@]
  *
- * NOTES: don't belive the docu
+ * NOTES: don't believe the documentation
  */
 void WINAPI CoFreeLibrary(HINSTANCE hLibrary)
 {
-	FreeLibrary(hLibrary);
+    FreeLibrary(hLibrary);
 }
 
 
 /***********************************************************************
  *           CoFreeAllLibraries [OLE32.@]
  *
- * NOTES: don't belive the docu
+ * NOTES: don't believe the documentation
  */
 void WINAPI CoFreeAllLibraries(void)
 {
-        /* NOP */
+    /* NOP */
 }
 
 
diff --git a/dlls/ole32/ifs.c b/dlls/ole32/ifs.c
index 2850651670b..90ad2a8ce8b 100644
--- a/dlls/ole32/ifs.c
+++ b/dlls/ole32/ifs.c
@@ -565,7 +565,7 @@ LPVOID WINAPI CoTaskMemRealloc(LPVOID pvOld, ULONG size)
  *           CoRegisterMallocSpy        [OLE32.@]
  *
  * NOTES
- *  if a mallocspy is already registered, we cant do it again since
+ *  if a mallocspy is already registered, we can't do it again since
  *  only the spy knows, how to free a memory block
  */
 HRESULT WINAPI CoRegisterMallocSpy(LPMALLOCSPY pMallocSpy)
diff --git a/dlls/oleaut32/safearray.c b/dlls/oleaut32/safearray.c
index 6cb11a4b80a..5b4a0e46f53 100644
--- a/dlls/oleaut32/safearray.c
+++ b/dlls/oleaut32/safearray.c
@@ -1240,7 +1240,7 @@ HRESULT WINAPI SafeArrayDestroyData(SAFEARRAY *psa)
     return E_INVALIDARG;
 
   if (psa->cLocks)
-    return DISP_E_ARRAYISLOCKED; /* Cant delete a locked array */
+    return DISP_E_ARRAYISLOCKED; /* Can't delete a locked array */
 
   if (psa->pvData)
   {
diff --git a/dlls/oleaut32/tests/vartype.c b/dlls/oleaut32/tests/vartype.c
index 68a76751eb0..8c286e6e5cf 100644
--- a/dlls/oleaut32/tests/vartype.c
+++ b/dlls/oleaut32/tests/vartype.c
@@ -3270,8 +3270,8 @@ static void test_VarDateFromStr(void)
   /* If the numbers can't be day/month, they are assumed to be year/month */
   DFS("30 2");   EXPECT_DBL(10990.0);
   DFS("2 30");   EXPECT_DBL(10990.0);
-  DFS("32 49");  EXPECT_MISMATCH; /* Cant be any format */
-  DFS("0 49");   EXPECT_MISMATCH; /* Cant be any format */
+  DFS("32 49");  EXPECT_MISMATCH; /* Can't be any format */
+  DFS("0 49");   EXPECT_MISMATCH; /* Can't be any format */
   /* If a month name is given the other number is the day */
   DFS("Jan 2");  MKRELDATE(2,1); EXPECT_DBL(relative);
   DFS("2 Jan");  EXPECT_DBL(relative);
diff --git a/dlls/oleaut32/vartype.c b/dlls/oleaut32/vartype.c
index 219a7b7d977..8d3c4e3fca7 100644
--- a/dlls/oleaut32/vartype.c
+++ b/dlls/oleaut32/vartype.c
@@ -3848,7 +3848,7 @@ HRESULT WINAPI VarCyRound(const CY cyIn, int cDecimals, CY* pCyOut)
  * RETURNS
  *  Success: VARCMP_LT, VARCMP_EQ or VARCMP_GT indicating that the value to
  *           compare is less, equal or greater than source respectively.
- *  Failure: DISP_E_OVERFLOW, if overflow occurs during the comparason
+ *  Failure: DISP_E_OVERFLOW, if overflow occurs during the comparison
  */
 HRESULT WINAPI VarCyCmp(const CY cyLeft, const CY cyRight)
 {
@@ -3882,7 +3882,7 @@ HRESULT WINAPI VarCyCmp(const CY cyLeft, const CY cyRight)
  * RETURNS
  *  Success: VARCMP_LT, VARCMP_EQ or VARCMP_GT indicating that dblRight is
  *           less than, equal to or greater than cyLeft respectively.
- *  Failure: DISP_E_OVERFLOW, if overflow occurs during the comparason
+ *  Failure: DISP_E_OVERFLOW, if overflow occurs during the comparison
  */
 HRESULT WINAPI VarCyCmpR8(const CY cyLeft, double dblRight)
 {
@@ -4677,7 +4677,7 @@ HRESULT WINAPI VarDecRound(const DECIMAL* pDecIn, int cDecimals, DECIMAL* pDecOu
  * RETURNS
  *  Success: VARCMP_LT, VARCMP_EQ or VARCMP_GT indicating that pDecLeft
  *           is less than, equal to or greater than pDecRight respectively.
- *  Failure: DISP_E_OVERFLOW, if overflow occurs during the comparason
+ *  Failure: DISP_E_OVERFLOW, if overflow occurs during the comparison
  */
 HRESULT WINAPI VarDecCmp(const DECIMAL* pDecLeft, const DECIMAL* pDecRight)
 {
@@ -4713,7 +4713,7 @@ HRESULT WINAPI VarDecCmp(const DECIMAL* pDecLeft, const DECIMAL* pDecRight)
  * RETURNS
  *  Success: VARCMP_LT, VARCMP_EQ or VARCMP_GT indicating that dblRight
  *           is less than, equal to or greater than pDecLeft respectively.
- *  Failure: DISP_E_OVERFLOW, if overflow occurs during the comparason
+ *  Failure: DISP_E_OVERFLOW, if overflow occurs during the comparison
  */
 HRESULT WINAPI VarDecCmpR8(const DECIMAL* pDecLeft, double dblRight)
 {
@@ -5706,7 +5706,7 @@ HRESULT WINAPI VarBstrCat(BSTR pbstrLeft, BSTR pbstrRight, BSTR *pbstrOut)
  * PARAMS
  *  pbstrLeft  [I] Source
  *  pbstrRight [I] Value to compare
- *  lcid       [I] LCID for the comparason
+ *  lcid       [I] LCID for the comparison
  *  dwFlags    [I] Flags to pass directly to CompareStringW().
  *
  * RETURNS
diff --git a/dlls/shell32/iconcache.c b/dlls/shell32/iconcache.c
index 6d0f18cf762..c5c77093298 100644
--- a/dlls/shell32/iconcache.c
+++ b/dlls/shell32/iconcache.c
@@ -296,7 +296,7 @@ void SIC_Destroy(void)
  * Shell_GetImageList			[SHELL32.71]
  *
  * PARAMETERS
- *  imglist[1|2] [OUT] pointer which recive imagelist handles
+ *  imglist[1|2] [OUT] pointer which receives imagelist handles
  *
  */
 BOOL WINAPI Shell_GetImageList(HIMAGELIST * lpBigList, HIMAGELIST * lpSmallList)
diff --git a/dlls/shell32/pidl.c b/dlls/shell32/pidl.c
index d438b810502..f511bd5cafb 100644
--- a/dlls/shell32/pidl.c
+++ b/dlls/shell32/pidl.c
@@ -1152,7 +1152,7 @@ HRESULT WINAPI SHGetSpecialFolderLocation(
  * SHGetFolderLocation [SHELL32.@]
  *
  * NOTES
- *  the pidl can be a simple one. since we cant get the path out of the pidl
+ *  the pidl can be a simple one. since we can't get the path out of the pidl
  *  we have to take all data from the pidl
  */
 HRESULT WINAPI SHGetFolderLocation(
@@ -1171,7 +1171,7 @@ HRESULT WINAPI SHGetFolderLocation(
  * SHGetDataFromIDListA [SHELL32.247]
  *
  * NOTES
- *  the pidl can be a simple one. since we cant get the path out of the pidl
+ *  the pidl can be a simple one. since we can't get the path out of the pidl
  *  we have to take all data from the pidl
  */
 HRESULT WINAPI SHGetDataFromIDListA(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len)
diff --git a/dlls/shlwapi/ordinal.c b/dlls/shlwapi/ordinal.c
index fea60ce04d3..d2d3f6100c0 100644
--- a/dlls/shlwapi/ordinal.c
+++ b/dlls/shlwapi/ordinal.c
@@ -1962,8 +1962,9 @@ DWORD WINAPI SHGetCurColorRes()
  *  dwTimeout [I] Timeout in ticks or INFINITE to never timeout
  *
  * RETURNS
- *  STATUS_TIMEOUT if no message is recieved before dwTimeout ticks passes.
- *  Otherwise returns value from MsgWaitForMultipleObjectsEx when a message is available.
+ *  STATUS_TIMEOUT if no message is received before dwTimeout ticks passes.
+ *  Otherwise returns the value from MsgWaitForMultipleObjectsEx when a
+ *  message is available.
  */
 DWORD WINAPI SHWaitForSendMessageThread(HANDLE hand, DWORD dwTimeout)
 {
diff --git a/programs/avitools/aviplay.c b/programs/avitools/aviplay.c
index 8d08378fcf7..2aad746136e 100644
--- a/programs/avitools/aviplay.c
+++ b/programs/avitools/aviplay.c
@@ -190,7 +190,7 @@ int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
 	lpbmi = (LPBITMAPINFOHEADER)decodedframe;
 	decodedbits = (LPVOID)(((DWORD)decodedframe)+lpbmi->biSize);
 	if (lpbmi->biBitCount == 8) {
-	/* cant detect palette change that way I think */
+	/* can't detect palette change that way I think */
 	    RGBQUAD	*rgb = (RGBQUAD*)(lpbmi+1);
 	    int		i,palchanged;
 
diff --git a/tools/winedump/misc.c b/tools/winedump/misc.c
index b164e57a78b..f64f243ce07 100644
--- a/tools/winedump/misc.c
+++ b/tools/winedump/misc.c
@@ -208,7 +208,7 @@ FILE *open_file (const char *name, const char *ext, const char *mode)
 
   fp = fopen (fname, mode);
   if (!fp)
-    fatal ("Cant open file");
+    fatal ("Can't open file");
   return fp;
 }